package cn.itcast.bos.web.action.base;

import java.util.ArrayList;
import java.util.List;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import cn.itcast.bos.domain.base.FixedArea;
import cn.itcast.bos.service.base.FixedAreaService;
import cn.itcast.bos.web.action.common.BaseAction;

/**
 * 定区管理
 * @author yaoshuai
 *
 */
@ParentPackage("json-default")
@Namespace("/")
@Controller
@Scope("prototype")
public class FixedAreaAction extends BaseAction<FixedArea>{

	@Autowired
	private FixedAreaService fixedAreaAction;
	
	@Action(value="fixedArea_save",
			results={@Result(name="success",
			location="./pages/base/fixed_area.html",
			type="redirect")})
	public String save(){
		
		fixedAreaAction.save(model);
		
		return SUCCESS;
	}
	
	@Action(value="fixedArea_pageQuery",
			results={@Result(name="success",type="json")})
	public String pageQuery(){
		
		Pageable pageable=new PageRequest(page-1, rows );
		
		Specification<FixedArea> specification=new Specification<FixedArea>() {

			@Override
			public Predicate toPredicate(Root<FixedArea> root,
					CriteriaQuery<?> query, CriteriaBuilder cb) {
				
				List<Predicate> list= new ArrayList<Predicate>();
				
				if (StringUtils.isNoneBlank(model.getId())){
					Predicate p1 = cb.equal(root.get("id").as(String.class),model.getId());
					list.add(p1);
				}
				if (StringUtils.isNoneBlank(model.getCompany())){
					Predicate p2= cb.like(root.get("company").as(String.class), "%"+model.getCompany()+"%");
					list.add(p2);
				}
				
				return cb.and(list.toArray(new Predicate[0]));
			}};
			
			Page<FixedArea> page= fixedAreaAction.findPageData(specification,pageable);
			
			pushPageDataToValueStack(page);
		
		return SUCCESS;
	}
}
